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polet [3.4K]
3 years ago
7

Please solve ASAP, 3k+16=9+6x? and show ur work please?​

Mathematics
1 answer:
denis23 [38]3 years ago
7 0

Answer:

\Large \boxed{k=2x + \frac{-7}{3}} \\ \\ \\ \Large \boxed{x=\frac{1}{2} k+\frac{7}{6}}

Step-by-step explanation:

Solving for k:

\sf 3k+16=9+6x

Subtracting 16 from both sides.

\sf 3k=6x-7

Dividing both sides by 3.

\displaystyle \sf k=2x + \frac{-7}{3}

Solving for x:

Flipping the original equation.

\sf 6x+9=3k+16

Subtracting 9 from both sides.

\sf 6x=3k+7

Dividing both sides by 6.

\sf \displaystyle x=\frac{1}{2} k+\frac{7}{6}

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4 years ago
G a frequency distribution has a mean of 200 and a standard deviation of 20. the class limits for one class are 220 up to 240. b
cestrela7 [59]

A suitable probability calculator will show that probability to be .135905122.


_____

Your class extends from 1 standard deviation above the mean to 2 standard deviations above the mean. The empirical rule puts that probability at ...

... (1/2)(95% - 68%) ≈ 13.5%


The empirical rule tells you 68% of observations lie within 1 standard deviation of the mean, and 95% lie within 2 standard deviations. Then the number that lie between 1 and 2 standard deviations from the mean will be the difference of these values. You want the values in the region above the mean only, so you only want half the difference just described.

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4 years ago
tavyon can ride his bike at a constant rate of 12 miles per hour. how long would it take him to ride 66 miles
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3 years ago
Fourth grade level. Use mental math to find 7x53
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Step-by-step explanation:


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Read 2 more answers
Let k ( x ) = 2 x + 3 and m ( x ) = 3 x 2 + 7 x − 10 . Find the indicated value. M ( k ( − 4 ) ) =
murzikaleks [220]

Answer: 30

Step-by-step explanation:

Given

k(x)=2x+3

M(x)=3x^2+7x-10

M\left(k(x)\right) is given by replacing the x by k(x) from the M(x)

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Now, M\left(k(-4)\right) is

\Rightarrow M\left(k(-4)\right)=12(-4)^2+50(-4)+38\\\Rightarrow M\left(k(-4)\right)=192-200+38\\\Rightarrow M\left(k(-4)\right)=30

8 0
3 years ago
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